Pre-stage the cluster name object for a database availability group Exchange server
In environments where computer account creation is restricted, or where computer accounts are created in a container other than the default computers container, you can pre-stage the cluster name object (CNO) and then provision the CNO by assigning permissions to it. Some times we gets error while adding server into DAG. Error - An Active Manager operation failed. Error An error occurred while attempting a cluster operation. Error: Cluster API '"OpenCluster failed with 0x424. Error: The specified service does not exist as an installed service"' failed Logs generate same error in location - C:\ExchangeSetupLogs\DagTasks\dagtask_2017-08-23_05-34-45.755_add-databaseavailabiltygroupserver.log In this scenario some we need to pre-stage Cluster name object. Steps as follows for creation of cluster name object (CNO). Open Active Directory Users and Computers. Expand the forest node. Create the new account, select New , and then select Computer . Ne